Edge road marker



Dec. 11, 1934. D. E. Ross 1,984,085

EDGE Row MARKER Filed Nov. 16, 1953 Fatenteol Dec... 11, 1934 I UNETED STATES PATENT OFFlCE EDGE ROAD MARKER David E. Iltoss, La Fayette, Ind., assignor to Purdue Research Foundation, La Fayette, Ind" a corporation of Indiana Application November 16, 1933, Serial No. 698,367

8 (Claims. (Cl. 88-1) This invention relates to traffic lane markers are inserted in the openings the recess may be of the general type shown in Ross U. S. Patents filled with a suitable plastic material, indicated Nos. 1,927,756 and 1,927,757, such markers being at 3, which when hardened will retain the lenses intended to be placed in or along dividing lines securely i position- The Construction is Such of traffic in a roadway so that rays of light from hat the lenses 2 are protected on all sides. 5 the headlights of an automobile will pick up The outer ends of the reflectors are p t ct d the markers and be reflected thereby in such fr i ry by he p j t portion f the manner that the driver of the automobile can ends of the butt, indicated t In and by the readily distinguish the part of the road on jacent P j t p o 0 f h front ta- 10 which he can safely travel. pered p i of he dy. 0

The present invention is an edge road marker T0 define the Outer edge of p ed Side e of adapted to be secured upon the surface of the a roadway a Series Of Such markers e Placed roadway along the edge thereof, to define the along Such and t g t the lens in Such side of the road so that the driver can avoid markers Will reflect beck ay m t adrunning off the ad, lights of approaching automobiles and clearly 15 My novel edge road marker is illustrated in define the edge of the y 50 at the the accompanying drawing, and will be drivers will be able to avoid running oil the road plained in connection therewith, and the novel in jh features thereof for which protection is desired The utlhty of such markers W111 be vi 20 summarized in th l from the foregoing description. 20

In said drawing: I claim: Fig. 1 is a. to i of my edge road marker 1. An edge road marker comprising a body Fig. 2 is a bott m i t having a thick longitudinal butt portion at rear Fig. 3 is a, side i th f and a front portion curving downwardly and Fig. 4' is a longitudinal section thereof on the outwardly from the butt po said bu havline 4-4, Fig. 1, and ing an opening in its erid the axis of the open- Fig. 5 is a transverse section on the line 5-5, ing ei g Substantially Parallel With the Plane Fig. 1. of the outer side of the butt portion, and a re- The marker shown is designed to be placed fleeting lens in Said opening adapted to 0 on the outer edge of a roadway, and has a body fleet the light o an ut b pp oaching 1 which somewhat resembles a clam shell in that end of Said butt D plan, having a thick butt portion 141 at rear and An edge road marker comprising 1} body a diverging fan like front portion 1b which hav g a thick long b t Portion a tapers downwardly from the butt portion toand a o t portion curving downwardl ward the front and sides as indicated, and proand outwardly rom the butt portion-the ends jects at each end 10 slightly beyond the butt. 0! the front P o t di g htly beyond The body may be provided th l 1 t the adjacent ends of the butt portion, said butt about the center of the front portion ID for the having an Opening in i d, t axis o the passage of a lagscrew (not shown) or other Opening being Substantially Parallel With he 40 suitable means may be se for fastening t plane of the outer side of the butt portion, and 40 marker in position. From the rear side of the a reflecting lens in d Opening apted to rebody depends a spike or member in) which may fl the light of an automobile approaching be bifurcated as shown, or of other preferred that end Of Said butt P form. This spike is adapted to be embedded in An edge road marker c p i a ody the roadway adjacent the edge thereof, having a thick longitudinal butt portion at rear,

The butt end of the body i preferably a front portion curving downwardly and outcessed on its underside, as shown at it in Figs. wa o e u po o d a d w wardly 2 and 4, and in each end of th b tt 1;; i an extending fastening member or spike at its rear opening If for the reception of a reflecting lens, Side adapted to be embedded in the d y, hich may b of a t b construction, said butt having an opening in its end the axis 50 Preferably I use glass lenses 2 having their inner 0f t Opening being Substantially p a l With ends silve'red, and their outer ends convex; the the plane of the outer side of the butt portion; inner portion of the lens being slightly larger d a reflecting e in d Opening adapted to than the outer portion thereof which should fit reflect the light o a automobile approaching neatly within the opening 1;. After the lenses that end of said butt portion.

4. An edge road marker comprising an approximately shell shaped body having a thick longitudinal rear butt portion, and a front portion curving downwardly and outwardly from the butt portion, the ends of the front portion extending slightly beyond the adjacent ends of the butt portion and a downwardly extending member adapted to be embedded in the roadway; said butt having an opening in each end, the axes of the openings being substantially parallel with the plane of the outer side of the butt portion, and a reflecting lens in each opening.

5. An edge road marker comprising an approximately shell shaped body having a thick longitudinal butt portion at rear, a front portion curving downwardly and outwardly from the butt portion, and a downwardly extending spike below the butt adapted to be embedded in the roadway; said body having a recess in its underside and said butt having an opening in each end, the axes of the openings being substantially parallel with the plane of the outer side of the butt portion; a lens in each of said openings adapted to reflect the light of an approaching automobile; the ends of said front portion extending slightly beyond the adjacent ends of the butt portion near the openings therein 6. An edge road marker comprising an approximately shell shaped body having a thick longitudinal butt portion'at rear, a front portion curving downwardly and outwardly from the butt portion and a downwardly extending spike below the butt adapted to be embedded in the roadway; said body having a recess in its underside, and said butt having openings in each end, the axes of the openings being substantially parallel with the plane of the outer side of the butt portion, and a 'lens in each of said openings adapted to reflect the light of an automobile approaching that end of said butt portion.

DAVID E. ROSS. 

